Pocket Watch Database
Patent Archive
#1454473
Patent Information
Chronometer Compensate Balance
Charles Edouard Guillaume
May 8, 1923
Patent #1454473
| Patent Number: | 1454473 |
| Description: | Chronometer Compensate Balance |
| Inventor(s): | Charles Edouard Guillaume |
| Assignee: | Societe Des Fabriques De Spira |
| Patent Date: | May 8, 1923 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
